Home / 908,835.28-1,254,265-501,009.68

Finding the Fourth Proportional to 908,835.28, 1,254,265 and 501,009.68

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Solution

The fourth proportional to 908,835.28, 1,254,265 and 501,009.68 is: 691,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,835.28 : 1,254,265 = 501,009.68 : x
  2. Step 2: Convert to fraction form
    908,835.28/1,254,265 = 501,009.68/x
  3. Step 3: Cross multiply
    908,835.28x = 1,254,265 × 501,009.68
  4. Step 4: Simplify right side
    908,835.28x = 628,398,906,285.20
  5. Step 5: Solve for x
    x = 628,398,906,285.20/908,835.28
  6. Step 6: Final answer
    x = 691,433.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.